2) SCBA closed circuit apparatus
闭路自给式呼吸器
3) closed circuit oxygen breathing rig, clodes circuit oxygen equipment
闭式回路氧气呼吸器
4) closed circuit oxygen rebreathing apparatus
闭式回路氧气再呼吸器
5) self-contained oxygen breathing apparatus
自给式氧气呼吸器
6) oxygen respirator with positive pressure
正压氧气呼吸器
1.
The sturcture and the principle of the oxygen respirator with positive pressure are analysed.
在分析正压氧气呼吸器的正压原理与结构的基础上 ,提出了清净罐、冷却罐的设计理论依据和方法。
补充资料:自给
依靠自己生产的东西满足自己:自给自足|粮食自给。
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